Huawei SUN2000-75KTL-C1 Quick Manual page 10

2. Remove an appropriate length of the jacket and insulation layer from the AC output power
cable using a wire stripper. (Ensure that the jacket is in the maintenance compartment.)
a. Three-core cable (excluding the ground cable) b. Four-core cable (including the ground cable)
Core
wire
L2=L1+3 mm
L1
≤ 230 mm
3. Crimp an OT terminal.
Insulation layer
Core wire
4. Connect the AC output power cable to the terminal block, and then tighten the nut using a
torque wrench that has an extension rod.
Ensure that AC terminations provide firm and solid electrical connections. Failing to do so may
•
cause SUN2000 malfunction and damage to its terminal block, even starting thermal events.
• If the AC output power cables are subject to a pulling force because the inverter is not installed
stably, ensure that the last cable that bears the stress is the PE cable.
a. Three-core cable (excluding the ground
cable)
Insulation
layer
Jacket
Heat
gun
L1
Heat shrink
tubing
Hydraulic pliers
b. Four-core cable (including the ground cable)
9
L2=L1+3 mm
≤ 230 mm